Bug 393381

Application: systemsettings5 (5.12.4)

Qt Version: 5.10.1
Frameworks Version: 5.45.0
Operating System: Linux 4.16.3-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:

I was changing the settings of the splash screen

I don't know why it crashed

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa601812800 (LWP 1287))]

Thread 5 (Thread 0x7fa5dd3d9700 (LWP 1293)):
#0  0x00007fa5fd24597b in poll () from /usr/lib/libc.so.6
#1  0x00007fa5f6d98523 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fa5f6d9863e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fa5fdb91264 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fa5fdb3332b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fa5fd94272e in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fa5fb491379 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007fa5fd947acd in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fa5f93ff08c in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fa5fd24fe7f in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7fa5dffff700 (LWP 1291)):
#0  0x00007fa5fd24597b in poll () from /usr/lib/libc.so.6
#1  0x00007fa5f6d98523 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fa5f6d9863e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fa5fdb91264 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fa5fdb3332b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fa5fd94272e in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fa5fb491379 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007fa5fd947acd in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fa5f93ff08c in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fa5fd24fe7f in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7fa5ecc6a700 (LWP 1289)):
#0  0x00007fa5f6ddf2f4 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007fa5f6d98440 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fa5f6d9863e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007fa5fdb91264 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007fa5fdb3332b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007fa5fd94272e in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fa5ff4ae416 in ?? () from /usr/lib/libQt5DBus.so.5
#7  0x00007fa5fd947acd in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fa5f93ff08c in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fa5fd24fe7f in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fa5ee398700 (LWP 1288)):
#0  0x00007fa5fd24597b in poll () from /usr/lib/libc.so.6
#1  0x00007fa5f8f8a180 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007fa5f8f8be4b in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007fa5f114382a in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fa5fd947acd in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fa5f93ff08c in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fa5fd24fe7f in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fa601812800 (LWP 1287)):
[KCrash Handler]
#6  0x00007fa5fdb34c52 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#7  0x00007fa5fb99c697 in ?? () from /usr/lib/libQt5Quick.so.5
#8  0x00007fa5fb99c31d in QQuickItemPrivate::filterKeyEvent(QKeyEvent*, bool) () from /usr/lib/libQt5Quick.so.5
#9  0x00007fa5fb9a8d46 in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/libQt5Quick.so.5
#10 0x00007fa5fb9a90a6 in QQuickItem::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#11 0x00007fa5feb44fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#12 0x00007fa5feb4c9c6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#13 0x00007fa5fdb34cf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#14 0x00007fa5fb9b4c1a in QQuickWindowPrivate::deliverKeyEvent(QKeyEvent*) () from /usr/lib/libQt5Quick.so.5
#15 0x00007fa5fb9b9eb6 in QQuickWindow::keyReleaseEvent(QKeyEvent*) () from /usr/lib/libQt5Quick.so.5
#16 0x00007fa5fe346865 in QWindow::event(QEvent*) () from /usr/lib/libQt5Gui.so.5
#17 0x00007fa5fb9c3f26 in QQuickWindow::event(QEvent*) () from /usr/lib/libQt5Quick.so.5
#18 0x00007fa5feb44fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#19 0x00007fa5feb4c9c6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#20 0x00007fa5fdb34cf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#21 0x00007fa5fc04959d in QQuickWidget::keyReleaseEvent(QKeyEvent*) () from /usr/lib/libQt5QuickWidgets.so.5
#22 0x00007fa5feb85188 in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5
#23 0x00007fa5fc04af0c in QQuickWidget::event(QEvent*) () from /usr/lib/libQt5QuickWidgets.so.5
#24 0x00007fa5feb44fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#25 0x00007fa5feb4df53 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#26 0x00007fa5fdb34cf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#27 0x00007fa5feba304b in ?? () from /usr/lib/libQt5Widgets.so.5
#28 0x00007fa5feb44fec in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#29 0x00007fa5feb4c9c6 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#30 0x00007fa5fdb34cf0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#31 0x00007fa5fe336e12 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () from /usr/lib/libQt5Gui.so.5
#32 0x00007fa5fe33bf66 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5
#33 0x00007fa5fe31329c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#34 0x00007fa5f11cb48d in ?? () from /usr/lib/libQt5XcbQpa.so.5
#35 0x00007fa5fdb3332b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#36 0x00007fa5fdb3c728 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#37 0x000055dfd8776d30 in ?? ()
#38 0x00007fa5fd17af4a in __libc_start_main () from /usr/lib/libc.so.6
#39 0x000055dfd8776dba in _start ()

Possible duplicates by query: bug 392816, bug 391938, bug 390532, bug 390208, bug 390062.

Reported using DrKonqi